Esempio n. 1
0
  /**
   * Updates multiple proxy data stores in a single transaction
   *
   * @param ds The Array of DataStores to update
   * @throws DataStoreException
   */
  public static void update(DataStoreProxy[] ds) throws DataStoreException {

    int i = 0;
    DSDataSourceProxy out = ds[0].getDataSourceProxy();
    try {
      out.preUpdate(ds[0]);
      for (i = 0; i < ds.length; i++) {
        out.writeDSHeader(ds[i]);
        ds[i].setRemoteUpdateReturnValue(null);
        ds[i].updateDs(out);
      }
      out.commit(ds[0]);
      out.postUpdate(ds, true);
      for (i = 0; i < ds.length; i++) ds[i].resetStatus();

    } catch (DataStoreException e) {
      try {
        out.postUpdate(ds, false);
      } catch (Exception ex) {
        System.err.println("DataStoreProxy.update() -- postUpdate:" + ex);
      }
      throw (e);
    } catch (Exception e) {
      try {
        out.postUpdate(ds, false);
      } catch (Exception ex) {
        System.err.println("DataStoreProxy.update() -- postUpdate:" + ex);
      }

      String message = e.getMessage();
      if (message.equals("$Update$") || message.equals("$Insert$") || message.equals("$Delete$")) {
        throw new DataStoreException("DataStore updated canceled.");
      } else throw new DataStoreException(e.toString());
    }
  }
Esempio n. 2
0
  /**
   * This method will cause the database to reflect the changes made in the data store's buffer.
   *
   * @exception com.salmonllc.sql.DataStoreException If a SQLError occurs while the datastore is
   *     updating.
   */
  public void update() throws DataStoreException {
    waitForRetrieve();
    DSDataSourceProxy out = _dataSource;
    _updateResults = null;
    DataStoreProxy[] proxy = {this};
    try {
      out.preUpdate(this);
      out.writeDSHeader(this);
      updateDs(out);
      out.commit(this);
      out.postUpdate(proxy, true);
      resetStatus();
      notifyListeners(ModelChangedEvent.TYPE_DATA_LOADED);
    } catch (DataStoreException e) {
      try {
        out.postUpdate(proxy, false);
      } catch (Exception ex) {
        System.err.println("DataStoreProxy.update() -- postUpdate:" + ex);
      }
      throw (e);
    } catch (Exception e) {
      try {
        out.postUpdate(proxy, false);
      } catch (Exception ex) {
        System.err.println("DataStoreProxy.update() -- postUpdate:" + ex);
      }

      String message = e.getMessage();
      if (message.equals("$Update$") || message.equals("$Insert$") || message.equals("$Delete$")) {
        throw new DataStoreException("DataStore updated canceled.");
      } else throw new DataStoreException(e.toString());
    }
  }